C. Downs

Publications438
h-index33
Citations5,057
Highly Influential Citations280
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A survey of wildlife rehabilitation in South Africa: is there a need for improved management?
TLDR
In the authors' opinion, centralisation of wildlife rehabilitation to national or provincial government is a necessity, and it is suggested that guidelines of minimum standards should be developed in consultation with experienced rehabilitators, veterinarians and conservation scientists to be enforced by trained and dedicated conservation officials.
Sugar Digestion Efficiencies of Gurney's Sugarbirds, Malachite Sunbirds, and Black Sunbirds
  • C. Downs
  • Environmental Science
    Physiological Zoology
  • 1 January 1997
TLDR
For each species, intake rates by volume were greater at low sugar concentrations, such that energy intakes per 90 min were similar, irrespective of diet, which supports the idea of regulated energy intake for these nectarivorous birds.
Life history traits, maternal behavior and infant development of blue‐eyed black lemurs (Eulemur flavifrons)
TLDR
The results suggest that overall recruitment of the critically endangered blue‐eyed black lemur is relatively slow, which has implications for the species' survival, particularly given their restricted and threatened habitat.
Pollination of the red hot poker Kniphofia caulescens by short-billed opportunistic avian nectarivores
Postrelease Success of Two Rehabilitated Vervet Monkey (Chlorocebus aethiops) Troops in KwaZulu-Natal, South Africa
TLDR
Results suggest that rehabilitated vervet monkeys could be successfully released in the future, and recommendations are provided for consideration in future releases.
Sugar Preference and Apparent Sugar Assimilation in the Red Lory
TLDR
The red lory showed no significant preference by the number of visits but it showed a preference for sucrose by increasing the time spent feeding and the volume drunk, which may reflect preference for the sugar with the highest energy reward.
Sugar preferences and digestive efficiency in an opportunistic avian nectarivore, the Dark-capped Bulbul Pycnonotus tricolor
TLDR
Examination of sugar preferences and assimilation efficiencies over a range of concentrations, and concentration preferences, in Dark-capped Bulbuls Pycnonotus tricolor, one of the more common occasional avian nectarivores in southern Africa, sheds new light on pollination systems involving occasional nectarIVores and helps to explain the prevalence of low concentration hexose-dominated nectars in flowers pollinated by these birds.
Seasonal effects on thermoregulatory abilities of the Wahlberg's epauletted fruit bat (Epomophorus wahlbergi) in KwaZulu-Natal, South Africa
Basking behaviour in the rock hyrax (Procavia capensis) during winter
TLDR
It appears that rock hyraxes did not use basking behaviour as a way of warming up after night-time but used it during the day as a diurnal energy conserving mechanism.
Population Structure and Density of Leopard Tortoises (Geochelone Pardalis) on Farmland in the Nama-karoo
Abstract The Leopard Tortoise (Geochelone pardalis) is the largest of the southern African species and has a wide distribution encompassing a variety of habitats. There is a paucity of ecological…
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